xtremerat | a4df1f57b5681a11704b581976bae2e2baf69a050ef1d71dae2ea2304ff907e1

General

Target

b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe
Size

60KB
MD5

b210a623a413d1d70e591d77a8898cc5
SHA1

0b8fae8206d05c59242dd84bf6dd168eaa2de2b1
SHA256

a4df1f57b5681a11704b581976bae2e2baf69a050ef1d71dae2ea2304ff907e1
SHA512

c4bd1ce33ff611ba1d5c2ef421fc0bcc4bb2b3f54dbc1b9ee0b4a6215cbe40e04a565389d22bae3018cab8464f10a3639c861dac3208227a20aa1a75323c7367
SSDEEP

1536:g5QAEeWPJ37BVtP3siRXArf7VdyfhkZhJlByx1m4zf7ewHLzDKzFk9yFF:gKAEeUJLBVtP3jXqJdyfhoPlGM+f7ewk

Score

10^/10

xtremerat discovery persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

esam2at.no-ip.biz

Signatures

Detect XtremeRAT payload 7 IoCs

resource	yara_rule
behavioral2/memory/1396-3-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1396-4-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1396-5-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1396-7-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4044-10-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/1396-12-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat
behavioral2/memory/4044-14-0x0000000010000000-0x0000000010048000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat
Xtremerat family
xtremerat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4668 set thread context of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4416	4044	WerFault.exe	83
2772	4044	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 4668 wrote to memory of 1396	4668	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	82
PID 1396 wrote to memory of 4044	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	83
PID 1396 wrote to memory of 4044	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	83
PID 1396 wrote to memory of 4044	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	83
PID 1396 wrote to memory of 4044	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	83
PID 1396 wrote to memory of 3204	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	84
PID 1396 wrote to memory of 3204	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	84
PID 1396 wrote to memory of 3204	1396	b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4668
- C:\Users\Admin\AppData\Local\Temp\b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b210a623a413d1d70e591d77a8898cc5_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1396
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4044
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 480
      4⤵
      Program crash
      PID:4416
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 488
      4⤵
      Program crash
      PID:2772
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
    3⤵
    PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4044 -ip 4044
1⤵
PID:1376

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4044 -ip 4044
1⤵
PID:3308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1396-7-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1396-3-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1396-4-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1396-5-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1396-12-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/1396-11-0x0000000000860000-0x00000000008D5000-memory.dmp

Filesize
468KB

Download
memory/4044-10-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4044-14-0x0000000010000000-0x0000000010048000-memory.dmp

Filesize
288KB

Download
memory/4668-1-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4668-2-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4668-0-0x0000000074952000-0x0000000074953000-memory.dmp

Filesize
4KB

Download
memory/4668-9-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4668-8-0x0000000000790000-0x0000000000805000-memory.dmp

Filesize
468KB

Download

Analysis

Sharing